C# Post数据和接收简单示例【摘】

public   partial   class  Post_Server : System.Web.UI.Page
{
     protected   void  Page_Load( object  sender, EventArgs e)
    {

         string  type  =   "" ;
         string  Re  =   "" ;
        Re  +=   " 数据传送方式： " ;
         if  (Request.RequestType.ToUpper()  ==   " POST " )
        {
            type  =   " POST " ;
            Re  +=  type  +   " <br/>参数分别是：<br/> " ;
            SortedList table  =  Param();
             if  (table  !=   null )
            {
                 foreach  (DictionaryEntry De  in  table) { Re  +=   " 参数名： "   +  De.Key  +   "  值： "   +  De.Value  +   " <br/> " ; }
            }
             else
            { Re  =   " 你没有传递任何参数过来！ " ; }
        }
         else
        {
            type  =   " GET " ;
            Re  +=  type  +   " <br/>参数分别是：<br/> " ;
            NameValueCollection nvc  =  GETInput();
             if  (nvc.Count  !=   0 )
            {
                 for  ( int  i  =   0 ; i  <  nvc.Count; i ++ ) { Re  +=   " 参数名： "   +  nvc.GetKey(i)  +   "  值： "   +  nvc.GetValues(i)[ 0 ]  +   " <br/> " ; }
            }
             else
            { Re  =   " 你没有传递任何参数过来！ " ; }
        }
        Response.Write(Re);

    }

     // 获取GET返回来的数据
     private  NameValueCollection GETInput()
    {  return  Request.QueryString; }
     //  获取POST返回来的数据
     private   string  PostInput()
    {
         try
        {
            System.IO.Stream s  =  Request.InputStream;
             int  count  =   0 ;
             byte [] buffer  =   new   byte [ 1024 ];
            StringBuilder builder  =   new  StringBuilder();
             while  ((count  =  s.Read(buffer,  0 ,  1024 ))  >   0 )
            {
                builder.Append(Encoding.UTF8.GetString(buffer,  0 , count));
            }
            s.Flush();
            s.Close();
            s.Dispose();
             return  builder.ToString();
        }
         catch  (Exception ex)
        {  throw  ex; }
    }
     private  SortedList Param()
    {
         string  POSTStr  =  PostInput();
        SortedList SortList  =   new  SortedList();
         int  index  =  POSTStr.IndexOf( " & " );
         string [] Arr  =  { };
         if  (index  !=   - 1 )  // 参数传递不只一项
        {
            Arr  =  POSTStr.Split( ' & ' );
             for  ( int  i  =   0 ; i  <  Arr.Length; i ++ )
            {
                 int  equalindex  =  Arr[i].IndexOf( ' = ' );
                 string  paramN  =  Arr[i].Substring( 0 , equalindex);
                 string  paramV  =  Arr[i].Substring(equalindex  +   1 );
                 if  ( ! SortList.ContainsKey(paramN))  // 避免用户传递相同参数
                { SortList.Add(paramN, paramV); }
                 else   // 如果有相同的，一直删除取最后一个值为准
                { SortList.Remove(paramN); SortList.Add(paramN, paramV); }
            }
        }
         else   // 参数少于或等于1项
        {
             int  equalindex  =  POSTStr.IndexOf( ' = ' );
             if  (equalindex  !=   - 1 )
            {  // 参数是1项
                 string  paramN  =  POSTStr.Substring( 0 , equalindex);
                 string  paramV  =  POSTStr.Substring(equalindex  +   1 );
                SortList.Add(paramN, paramV);

            }
             else   // 没有传递参数过来
            { SortList  =   null ; }
        }
         return  SortList;
    }




}

 

 

     protected   void  Button1_Click( object  sender, EventArgs e)
    {
        Encoding encode  =  System.Text.Encoding.GetEncoding( " utf-8 " );
         byte [] arrB  =  encode.GetBytes( " aa=aa&bb=好飞 " );
        HttpWebRequest myReq  =  (HttpWebRequest)WebRequest.Create( " http://localhost:11626/MyTest/Post_Server.aspx " );
        myReq.Method  =   " POST " ;
        myReq.ContentType  =   " application/x-www-form-urlencoded " ;
        myReq.ContentLength  =  arrB.Length;
        Stream outStream  =  myReq.GetRequestStream();
        outStream.Write(arrB,  0 , arrB.Length);
        outStream.Close();


         // 接收HTTP做出的响应
        WebResponse myResp  =  myReq.GetResponse();
        Stream ReceiveStream  =  myResp.GetResponseStream();
        StreamReader readStream  =   new  StreamReader(ReceiveStream, encode);
        Char[] read  =   new  Char[ 256 ];
         int  count  =  readStream.Read(read,  0 ,  256 );
         string  str  =   null ;
         while  (count  >   0 )
        {
            str  +=   new  String(read,  0 , count);
            count  =  readStream.Read(read,  0 ,  256 );
        }
        readStream.Close();
        myResp.Close();

        Response.Write(str);
    }